Wheel-rim.



S. C. NELSON.

WHEEL mM. l APPLIQATION FILD DEC. 2l 1917.

1 ,299,378. Patnted Apr. l, 1919.

UNITED srnrn I STEVE 0. NELSN, 017 lEliI'LEY, NORTH DAKOTA.

. WHEEL-RIM.

- Specification of Letters Patent.

Patented Apr. 1, 1919.

n Application filed December 21, 1917.` Serial No. 208,289.

.theinvention to provide a sectional wheel portion of the main rim` for securing pneumatic' and other forms,

`of tires to the wheels of vehicles in a inanner to enable the quick removal or demountfing of thev same, thus, leffecting a material saving of time and' labor -upon part of the user. l

Another and equally important object of the invention is to 'provide a novel form of lockingmeanjs, whereby the` rim will serve to positively hold and support a tire against undue movement or displacement.

The improvements'in the details and arrangement of parts will be apparent from an inspection of-'the accompanying `drawf ings, in connectionwith the specific descrip-` tion hereinafter contained, and wherein the preferred embodiment ofthe invention is disclosed for the purpose of impartmg a full understanding of the same.

In ,the drawings Figure l is aside elevation of the improved riin as applied to a vehicle wheel,

Fig. 2 is a fragmental vertical longitudi' nal section therethrough,

Fig. 3 is an end view of the wheel rim sections disassembled, the secondary rim section being shown in section,

Fig. 4 is a fragmental vertical transverse section through the wheel, rim, and tire engaged thereby, v U

Fig. 5 i a fragmental `longitudinal section showing the arrangement of the locking means for holding the rim sections against relative rotation, and

Fig. 6 isa detail in elevation of the wrench for rotating the secondary rim section.

Having more particular reference to the drawings, in connection with which like reference characters will designate corresponding parts throughout the several views, l represents the wheel to which my iniproved sectional rim is applied, the rim including main aiidsecondary sections designated by the numerals 2 and 3 respectively. It will be noted, that the outer marginal vsponding of the lugs 7 for a I rim section is provided with an oblique flange 4,' while thecorreportion of the secondary rimv section is provided with a similar iange 5, this flange, obviously, being disposed at a less acute angle than thefiflange 4. `Arranged upon the adjacent portions of the ymain and secondary riiii sections 2 and 3 area plurality of lugs 6 and 7, which as will be noted, have certain of the sides thereof l^v eled to cause movement of said secon :y

'rim section onto the mainvrim section when interengaged. An opening 8 is formed in the main rim section and passes through one purpose which will be presently apparent.

Secured to the under side ofthe secondary rim section 3 is a pivotally jointed lock- .ing element 9 having a beveled pin 10 ar ranged upon the outer end thereof adapted. to pass upwardly through the main rim section to engagement with av ratchet plate 11 secured uponthe inner side of the secondary rim section 3. Obviously, by engaging the beveled pin 10 with the adjacent teeth of; the ratchet 11, relative rotary movement of the rim sections 2 and 3 will be'prevented. To normally maintain the beveled pin 10 in engagement with the ratchet plate 11, a spring arm'12 is also secured to the under side of the main rim section 2 at a point directly above the locking element 9 and is adapted to engage the free end of the same.

A demountable rim 13 is provided and is adapted' to` receive the heel portions of the ordinary pneumatic tire shoe .14 therein. 'Io the underside of the demountable rim is secured a lug 15, while spaced lugs 16 are arranged upon the outer face of the main rim section 2 to one side of the same and serve to snugly receive the lug 15 therebetween. With the lugs thus engaged, it will be readily understood that vrelative rotary rim to be lightly tapped with a lharmner or other implement in order that the same may be rotated' with respect tothe main rim sectionv vduring the dlsassembling of the irnproved Wheel rim.

as means for receiving the squared shank portion 21 of a Wrench 22 whereby the secondary rim section may be rotated with relation to the main rim section during assembling or disassembling operations.

In operation, the delnountable rim 13 having an inflated tire arranged thereon is positioned upon the main rim section 2, Whereupon the secondary rim sect-ion 3 is engaged thereover and rotated to cause the beveled able' rim 13, thus, securely positioning thesalne upon the Wheel 1 in a manner to prevent accidental displacement or disarrangement thereof. As 'means for locking the secondary rim section in position upon the main rim section, the beveled pin 10 of the locking element 9 is engaged With the adjacent ture hereto.

under side of said secondary rim section.

Manifestly, the construction shown is capable of considerable modification and such modification as is within thescope of my Arranged upon the flange 5 of the secondary rim section opposite to the arrangement of the boss 19 is a loop 20, this loop serving claims, I consider lnvention.

I'cla1m:

A device of the character described iin-I.

cludin colnplemental rim sections'adapted to be cumferentially disposed lugs having their opposite sides formed oblique arranged on said sections adjacent the inner sides thereof, said lugs being adapted to beinterengaged by rotating one of said sections on the other, locking means on said rim sections for preventing relative rotary movement between said rim sections subsequent to interengagement of the lugs,y a toolV receiving loopl ear ried on the side of one of saidgs'ections, a delnountable rim received on said rim sections,

. a transverse apertured rib formed 5on the lower side of said demountable rim' adjacent the valve receiving opening therein, and spaced transverse guide elements on the upper portion of one of said rim sections for slidably receiving said apertured rib therein, the adjacent port-ion of said rim section being formed with an opening for permitting the valve stemof atire engaged on the demountable rim to pass therethrough."

tted one over the other, spaced cir-v 40' lWithin thevspirit of my In testimony whereof, I aiix'my signa, l

STEVE o. NELSON. 

